Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
H01J 17/62

with independent discharge paths controlled by intermediate electrodes, e.g. polyphase rectifier

Introduced: September 1968

Last revised: January 2006

Full Title

Gas-filled discharge tubes with solid cathodes > Thermionic-cathode tubes > with more than one cathode or anode > with independent discharge paths controlled by intermediate electrodes, e.g. polyphase rectifier

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS